KR890012826A - Working car - Google Patents

Working car Download PDF

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Publication number
KR890012826A
KR890012826A KR1019890001474A KR890001474A KR890012826A KR 890012826 A KR890012826 A KR 890012826A KR 1019890001474 A KR1019890001474 A KR 1019890001474A KR 890001474 A KR890001474 A KR 890001474A KR 890012826 A KR890012826 A KR 890012826A
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KR
South Korea
Prior art keywords
control
hydraulic clutch
electric
work vehicle
control valve
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KR1019890001474A
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Korean (ko)
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KR930001518B1 (en
Inventor
데쓰야 니시다
Original Assignee
미노 시게가즈
구보다 뎃꼬오 가부시끼가이샤
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Priority claimed from JP63028147A external-priority patent/JPH01203747A/en
Priority claimed from JP63112161A external-priority patent/JPH01282038A/en
Priority claimed from JP63114432A external-priority patent/JPH023764A/en
Application filed by 미노 시게가즈, 구보다 뎃꼬오 가부시끼가이샤 filed Critical 미노 시게가즈
Publication of KR890012826A publication Critical patent/KR890012826A/en
Application granted granted Critical
Publication of KR930001518B1 publication Critical patent/KR930001518B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H59/16—Dynamometric measurement of torque
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
    • B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
    • B60W10/11—Stepped gearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/1819—Propulsion control with control means using analogue circuits, relays or mechanical links
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/066—Control of fluid pressure, e.g. using an accumulator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/11—Application
    • F16D2500/1107—Vehicles
    • F16D2500/111—Agricultural
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/10—System to be controlled
    • F16D2500/11—Application
    • F16D2500/1107—Vehicles
    • F16D2500/1112—Heavy vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/305—Signal inputs from the clutch cooling
    • F16D2500/3055—Cooling oil properties
    • F16D2500/3058—Cooling oil pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/308—Signal inputs from the transmission
    • F16D2500/30802—Transmission oil properties
    • F16D2500/30805—Oil pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/30—Signal inputs
    • F16D2500/308—Signal inputs from the transmission
    • F16D2500/3082—Signal inputs from the transmission from the output shaft
    • F16D2500/30822—Torque of the output shaft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/50—Problem to be solved by the control system
    • F16D2500/502—Relating the clutch
    • F16D2500/50293—Reduction of vibrations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70402—Actuator parameters
    • F16D2500/7042—Voltage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2500/00—External control of clutches by electric or electronic means
    • F16D2500/70—Details about the implementation of the control system
    • F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
    • F16D2500/70446—Clutch cooling parameters
    • F16D2500/70448—Clutch cooling parameters for regulating the amount of fluid flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/70—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing specially adapted for change-speed gearing in group arrangement, i.e. with separate change-speed gear trains arranged in series, e.g. range or overdrive-type gearing arrangements

Abstract

내용 없음.No content.

Description

작업차Working car

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본발명에 관한 작업차의 일예로서의 농업용 트랙터의 전동시스템을 나타낸 선도.1 is a diagram showing an electric system of an agricultural tractor as an example of a working vehicle according to the present invention.

제2도는 제1도에 도시한 전동시스템의 제어시스템 및 유압시스템을 나타낸 선도.2 is a diagram showing a control system and a hydraulic system of the electric system shown in FIG.

제3도는 토오크센서의 구성도.3 is a configuration diagram of a torque sensor.

Claims (14)

유압클러치(12)와 ; 주행전동시스템의 전동토오크의 크기를 검출하는 토오크센서(S)와 ; 상기 유압클러치(12)에 공급되는 작동유의 량을 조절하는 제어밸브(24)와 ; 상기 유압클러치(12)를 접속시키기 위하여 입안된 소정의 제어방법에 따라 상기 제어밸브(24)의 동작을 제어하는 밸브제어수단(A)으로 구성되어 있으며 ; 이 제어 방법은, 상기 제어밸브(24)를 제1소정개방도까지 개방조작하는 제1단계와, 상기 소정 개방도보다 낮은 값의 제2소정개방도까지 상기 제어밸브(24)를 일시 폐쇄한 후 완전 개방도로 재차 개방하는 제2단계, 및 상기 제2단계에 의해 달성된 상기 제어밸브(24)의 완전개방상태를 유지하는 제3단계를 포함하고 있으며 ; 여기에서 제2단계는 상기 토오크센서(s)가 전동토오크의 증가를 검출했을때 시작되는 것을 특징으로 하는 작업차.Hydraulic clutch 12; A torque sensor S for detecting the magnitude of the electric torque of the traveling electric motor system; A control valve 24 for adjusting the amount of hydraulic oil supplied to the hydraulic clutch 12; A valve control means (A) for controlling the operation of the control valve (24) in accordance with a predetermined control method devised for connecting the hydraulic clutch (12); The control method includes a first step of opening the control valve 24 to a first predetermined opening degree, and temporarily closing the control valve 24 to a second predetermined opening degree having a value lower than the predetermined opening degree. A second step of opening again after the full opening degree, and a third step of maintaining the fully open state of the control valve 24 achieved by the second step; Wherein the second step starts when the torque sensor (s) detects an increase in electric torque. 제1항에 있어서, 상기 유압클러치(12)는 기어 변속기구(10)(17)의 변속 조작시에 차단조작되고, 상기 클러치(12)는 상기 기어변속 기구(10)(17)가 전동상태로 설정될 때 접속조작되는 것을 특징으로 하는 작업차.The hydraulic clutch (12) according to claim 1, wherein the hydraulic clutch (12) is shut off at the time of shifting operation of the gear shifting mechanism (10) (17), and the clutch (12) has the gear shifting mechanism (10) (17) in an electric state. Work vehicle characterized in that the connection operation when set to. 제2항에 있어서, 상기 유압클러치(12)가 주변속장치(10)로부터 부변속장치(17)로 동력을 전달하는 전후진 전환장치(14)와 주변속장치(10)와의 사이에 배치되어 있는 것을 특징으로 하는 작업차.3. The hydraulic clutch (12) according to claim 2, wherein the hydraulic clutch (12) is disposed between the forward and backward switching device (14) and the peripheral gear device (10) for transmitting power from the peripheral gear device (10) to the sub transmission device (17). There is work car which is characterized by. 제1항에 있어서, 상기 작업차의 변속조작이 주행전동시스템의 전동토오크검출결과에 의거하여 자동적으로 행해지고, 상기 토오크센서(S)가 상기 자동변속조작에 이용되는 전동코오크 검출기구로서 작용하는 것을 특징으로 하는 작업차.2. The shift operation of the work vehicle is automatically performed based on an electric torque detection result of a traveling electric motor, and the torque sensor S acts as an electric cock detector mechanism used for the automatic shift operation. Working vehicle characterized in that. 제1항에 있어서, 상기 토오크센서(S)가 주행전동시스템의 전동축에 부착된 적어도 한쌍의 아모퍼스필름에 생기는 자기바이어스를 검출하는 것을 특징으로 하는 작업차.The work vehicle according to claim 1, wherein the torque sensor (S) detects magnetic bias generated in at least one pair of amorphous films attached to the transmission shaft of the traveling electric motor system. 제1항에 있어서, 상기 토오크센서(S)가 작업차에 설치된 PTO축에 구비된 것을 특징으로 하는 작업차.The work vehicle according to claim 1, wherein the torque sensor (S) is provided on a PTO shaft installed in the work vehicle. 제1항에 있어서, 상기 토오크센서(S)가 상기 유압클러치(12)에 대하여 전동트레인 아래쪽에 구비된 것을 특징으로 하는 작업차.The work vehicle according to claim 1, wherein the torque sensor (S) is provided below the electric train with respect to the hydraulic clutch (12). 제1항에 있어서, 상기 제2단계에 있어서의 제어밸브의 재개방제어가 미리 설정된 특성에 따라 행해지는 것을 특징으로 하는 작업차.The work vehicle according to claim 1, wherein the reopening control of the control valve in the second step is performed according to a predetermined characteristic. 제1항에 있어서, 상기 제2단계에 있어서의 제어밸브의 재개방제어가 상기 주행전동시스템의 전동토오크의 값을 소정의 증가경향에 따르게 하도록, 상기 토오크센서(S)의 검출결과에 의거하여 행해지는 것을 특징으로 하는 작업차.2. The method according to claim 1, wherein the reopening control of the control valve in the second step causes the value of the electric torque of the traveling electric drive system to follow a predetermined increase direction. A work vehicle characterized in that it is performed. 제9항에 있어서, 상기 제2단계에 있어서의 제어밸브의 상기 재개방 제어에 있어서, 제어하한 상승률(T1) 및 제어상한 상승률(Th)이 상기 전동시스템에 발생하는 전동토오크의 증가분을 규제하기 위하여 미리 설정되고, 상기 개방조작이 상기 상한 및 하한 상승률(T1 및 Th)과 소정시간 간격을 둔 전동토오크 증가분(Tx)을 비교하여 행해지는 것을 특징으로 하는 작업차.10. The method of claim 9, wherein in the reopening control of the control valve in the second step, the control lower limit increase rate T1 and the control upper limit increase rate Th restrict the increase of the electric torque generated in the electric system. And the opening operation is performed in advance by comparing the upper and lower rate of increase (T1 and Th) with the electric torque increment (Tx) at a predetermined time interval. 제10항에 있어서, 상기 제어밸브(24)는 이 밸브(24)에 입력되는 제어전압(Ex)을 제어함으로써 상기 소정각도로 개폐되는 것을 특징으로 하는 작업차.11. The work vehicle according to claim 10, wherein the control valve (24) is opened and closed at the predetermined angle by controlling a control voltage (Ex) input to the valve (24). 제11항에 있어서, 상기 제2단계에 있어서의 제어밸브의 상기 재개방제어가 상기 전동토오크 증가분(Tx)이 상기 제어상한상승률(Th)보다 클때에는 상기 제어전압(Ex)을 동일한 값으로 유지하고, 상기 전동토오크증가분(Tx)이 상기 제어상한상승률(Th)보다 작거나 동일하고, 상기 제어하한상승률(T1) 보다 크거나 동일할때는 상기 제어전압(Ex)을 현재의 제어전압(Ex)에 설정전압(Ep)을 가산한 값으로 하고 또한 상기 전동토오크 증가분(Tx)이 상기 제어하한 상승률(T1) 보다 작을때는 상기 제어전압(Ex)을 현재의 제어전압(Ex)에 설정전압(Ep)의 배수를 가산한 값으로 행하여지는 것을 특징으로 하는 작업차.12. The control voltage Ex according to claim 11, wherein the reopening control of the control valve in the second step maintains the control voltage Ex at the same value when the electric torque increase Tx is greater than the control upper limit increase rate Th. When the electric torque increase Tx is less than or equal to the control upper limit increase rate Th, and greater than or equal to the control lower limit increase rate T1, the control voltage Ex is changed to the current control voltage Ex. When the set voltage Ep is added and the electric torque increase Tx is smaller than the control lower limit increase rate T1, the control voltage Ex is set to the current control voltage Ex and the set voltage Ep. A work vehicle characterized in that it is performed at a value obtained by adding multiples of. 제1항에 있어서, 상기 제1단계에 있어서의 상기 제1소정밸브개방도가 상기 제3단계에 있어서의 완전개방상태보다 낮게 설정되어 있는 것을 특징으로 하는 작업차.The work vehicle according to claim 1, wherein the first predetermined valve opening degree in the first step is set lower than the complete opening state in the third step. 기어변속기구(10),(17) ; 상기 기어변속기구(10),(17)의 변속작동시에 차단조작되는 유압클러치(12) ; 상기 기어변속기구(10),(17)가 전동상태로 설정될때 상기 유압클러치(12)를 접속조작하는 제어밸브(24) ; 및 상기 유압클러치(12)를 접속 조작할때에 상기 제어밸브(24)를 소정개방도가지 개방조작하여 상기 유압클러치(12)에 대한 공급유의 량을 일시적으로 증가시킨 후, 상기 소정 개방도보다 낮은 값의 개방도를 기점으로하는 소정 특성에 따라 공급유의 량의 증대를 도모하고, 상기 소정 개방도보다 높은 값의 완전개방상태까지 상기 제어밸브(24)를 개방조작하여 유압클러치(12)를 접속상태로 설정하는 밸브 제어수단(A)으로 이루어지는 것을 특징으로 하는 작업차.Gear transmission mechanisms 10 and 17; A hydraulic clutch 12 which is shut off during the shifting operation of the gear shifting mechanisms 10 and 17; A control valve (24) for connecting and operating the hydraulic clutch (12) when the gear transmission mechanisms (10) and (17) are set to an electric state; And opening the control valve 24 by a predetermined opening when connecting the hydraulic clutch 12 to temporarily increase the amount of oil supplied to the hydraulic clutch 12, and then The amount of oil supplied is increased according to a predetermined characteristic starting from a low opening degree, and the hydraulic clutch 12 is opened by opening the control valve 24 to a fully open state at a value higher than the predetermined opening degree. A work vehicle comprising a valve control means (A) for setting to a connected state. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890001474A 1988-02-09 1989-02-09 Control of hydraulic clutch in a working vehicle KR930001518B1 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP63-28147 1988-02-09
JP63028147A JPH01203747A (en) 1988-02-09 1988-02-09 Power transmission structure for working vehicle
JP63-112161 1988-05-09
JP63112161A JPH01282038A (en) 1988-05-09 1988-05-09 Farm working vehicle
JP63114432A JPH023764A (en) 1988-05-10 1988-05-10 Working vehicle
JP63-114432 1988-05-10

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KR890012826A true KR890012826A (en) 1989-09-19
KR930001518B1 KR930001518B1 (en) 1993-03-02

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CA1316117C (en) 1993-04-13
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FR2626827A1 (en) 1989-08-11
US4979599A (en) 1990-12-25
GB2218172A (en) 1989-11-08
GB2218172B (en) 1992-02-12
KR930001518B1 (en) 1993-03-02

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